Buildings of types Cn and Dn are defined by rank n polar spaces. The associated building Grassmannians are polar and half-spin Grassmannians. Apartments in dual polar spaces and half-spin Grassmannians were characterized in [4]. We characterize apartments in all polar Grassmannians consisting of non-maximal singular subspaces. This characterization is a partial case of more general results conc...

This study attempted to evaluate the bioaerosol exposure of apartment residents at high-rise apartment buildings in a Korean city. The characteristics associated with the bioaerosol exposure included the apartment floor, seasonal variation, summer survey period (seasonal rain-front period (SRFP) or no rain-front period (NRFP)), and room location inside an apartment. Four most prevalent fungal g...

In order to overcome the housing shortage, a large number of apartments were built in South Korea during the second half of the 20th century. Thus, the apartments became the typical housing type in South Korea. This paper is intended to analyze the changes in the spatial configurations of the apartments constructed in Cheongju, South Korea, from the 1972 to 2000. This study has employed Space S...

Energy costs are included in the rent for many US apartments, giving tenants little incentive to conserve. This apparent market failure has two explanations: the tenants value the utility-included rental contracts more than they value the extra energy they consume, or the landlords value the contracts more than the cost of that extra energy. We use the Residential Energy Consumption Survey and ...

The German cockroach, Blattella germanica (L.) (Blattodea: Blattellidae), is a major residential pest with the potential to vector various pathogens and produce and disseminate household allergens. Understanding population genetic structure and differentiation of this important pest is critical to efforts to eradicate infestations, yet little is known in this regard. Using highly polymorphic mi...

juvenile delinquency can be considered as an important issue in the social sciences. also, the adolescents' leisure activities are important subjects which have been studied in the social sciences and humanities. this study assessed the relationship between leisure activities and delinquency among 610 male and female high school student in the city of shiraz. the questionnaire consists of two s...

A preliminary study on the vertical dispersal of Aedes populations in high-rise apartments was carried out in Presint 9, Putrajaya, Malaysia. Ovitraps were placed indoors within four blocks of high-rise apartments from the ground floors (0.0 - 3.0 m) until up to the tenth floors (28.1 - 30.0 m). Aedes aegypti was the dominant species found in the ovitraps (87.85%), while Aedes albopictus was fo...

OBJECTIVE There is no safe level of secondhand tobacco-smoke exposure, and no previous studies have explored multiunit housing as a potential contributor to secondhand tobacco-smoke exposure in children. We hypothesized that children who live in apartments have higher cotinine levels than those who live in detached homes, when controlling for demographics. METHODS We analyzed data from the 20...

Bed bug (Cimex lectularius L.) infestations are currently controlled by a variety of non-chemical and chemical methods. There have been few studies on the comparative effectiveness of these control techniques. We evaluated three bed bug management strategies in an apartment building: (1) non-chemical methods only (n = 9); (2) insecticides only (n = 6); and (3) integrated pest management includi...